Federal Holidays

No Federal Holidays in this month

Observances

Date Holiday Name
Apr-06 National Tartan Day
Apr-11 National Library Workers’ Day
Apr-13 Thomas Jefferson’s Birthday
Apr-16 Easter Sunday
Apr-18 Tax Day
Apr-26 Administrative Professionals Day
Apr-27 Take our Daughters and Sons to Work Day

IP Facts

Date Events
April 1, 1826 Samuel Morey is issued the first U.S. patent for an internal-combustion engine, which he calls a “Gas or Vapour Engine”
April 3, 1866 Milton Bradley filed a patent on a Social game
April 7, 1880 Alfred Nobel filed a patent on dynamite (US231348A)
April 10, 1790 US Patent system forms
April 23, 1951 Clarence L. Fender filed a design patent on Electric guitar (Fender guitar (USD164227S)
April 24, 1833 Jacob Evert & George Dulty patent 1st soda fountain
April 25, 1684 Patent granted for thimble
April 28, 1977 The Budapest Treaty on the International Recognition of the Deposit of Microorganisms for the Purposes of Patent Procedure is signed.
April 28, 2005 The Patent Law Treaty goes into effect.
April 29, 1813 1st US Rubber patent granted to Jacob F Hummel

IP Conferences

Dates Conference
April 4 – 6 32nd Annual Intellectual Property Law Conference, Arlington, VA
April 11 – 13 12th AIPPI Baltic Conference, Jurmala, Latvia
April 13 IPforward 2017 , Sofitel Redwood City, CA
April 20 The Software IP Summit, San Francisco, CA
April 20 – 21 25th Annual Fordham Intellectual Property Law and Policy Conference ,Fordham University School of Law, New York
April 21 – 23 2017 LES International Management & Delegates’ Meeting (IMDM), Paris
April 24 – 25 International Conference on Managing Intellectual Property, Boston
April 24 – 25 2017 LES Annual Conference, Paris
April 25 – 27 9th Pharma & Biotech Patent Litigation Conference, Amsterdam
April 26 – 28 World Intellectual Property Forum, Bengaluru, India
April 26 – 29 IPTA 2017 Annual Conference, Perth,  Australia